There is a danger on the attitude of “do it later”. You dream and you plan but you are not taking profit because you are wasting your time dreaming. You can’t make money by planning and dreaming, unless you break the “do it later” attitude.
So when is the right time to start? You have to start now, not later. Planning is a part of the cycle, but you should not end up planning the whole day. Plan, decide and start right away. Start from being small. “Doing things now” with a little startup income is better than “Doing things later” with bigger dream. The later most likely will never happen.